Web Sudoku
Some great daily sudoku puzzle websites
- http://www.websudoku.com/
Daily puzzles with easy, medium, hard, and evil difficulties. Includes ability to print, and a button to check your progress. - http://www.dailysudoku.com/sudoku/
A daily sudoku puzzle. Includes an archive, as well as Sudoku puzzles for kids. - http://www.enjoysudoku.com/
A daily web sudoku. Also has apps for iPhone, iPad, Mac OS X, Android, Kindle Fire, Nook.